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Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

TETRAHYDROPHTHALIC ANHYDRIDE

ICSC: 1372

I

M

P

O

R

T

A

N

T

D

A

T

A

PHYSICAL STATE; APPEARANCE: WHITE CRYSTALLINE POWDER

PHYSICAL DANGERS:

CHEMICAL DANGERS: The substance decomposes on contact with hot surfaces or flames producing corrosive fumes . Reacts with oxidants. Reacts with water to produce heat and tetrahydrophthalic acid.

OCCUPATIONAL EXPOSURE LIMITS: TLV not established.

ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation of its aerosol.

INHALATION RISK: Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed.

EFFECTS OF SHORT-TERM EXPOSURE: The substance is irritating to the eyes , the skin and the respiratory tract.

ENVIRONMENTAL DATA

The substance is harmful to aquatic organisms.

N O T E S

The symptoms of asthma often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. Anyone who has shown symptoms of asthma due to this substance should avoid all further contact with this substance. For cis-isomer the CAS number is 935-79-5.

Transport Emergency Card: TEC (R)-80G09c

ADDITIONAL INFORMATION

ICSC: 1372

TETRAHYDROPHTHALIC ANHYDRIDE

(C) IPCS, CEC, 1994

IMPORTANT LEGAL NOTICE:

Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.